<template>
  <view class="login-container">
    <!-- 提示登录的图标 -->
    <uni-icons type="contact-filled" size="100" color="#AFAFAF"></uni-icons>
    <!-- 登录按钮 -->
    <button type="primary" class="btn-login" @click="getUserInfo">一键登录</button>
    <!-- 登录提示 -->
    <view class="tips-text">登录后尽享更多权益</view>
  </view>
</template>
<script>
  import {mapMutations,mapState} from 'vuex'
  export default {
    data () {
      return {
          
      }
    },
    computed : {
      ...mapState('m_user',['redirectInfo'])
    },
    methods: {
      ...mapMutations('m_user',['updateRedirect']),
      getUserInfo() {
        uni.getUserProfile({
          desc: '登录授权',
          success: (res) => {
            this.updateUserInfo(res.userInfo)
            this.getToken({
              ...res,
              userInfo: {}
            })
          },
          fail: (err) => {
            return uni.$showMsg('你取消了登录!')
          }
        })
      },
      async getToken(info) {
        const [errMsg, result] = await uni.login()
        if (errMsg !== null || result.errMsg !== 'login:ok') return uni.$showMsg('登录失败')
        const query = {
          code: result.code,
          encryptedData: info.encryptedData,
          rawData: info.rawData,
          iv: info.iv,
          signature: info.signature
        }
        const token = 'Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1aWQiOjIzLCJpYXQiOjE1NjQ3MzAwNzksImV4cCI6MTAwMTU2NDczMDA3OH0.YPt-XeLnjV-_1ITaXGY2FhxmCe4NvXuRnRB8OMCfnPo'
        this.updateToken(token),
        this.navigato()
      },
      navigato() {
        if(this.redirectInfo && this.redirectInfo.openType) {
          if(this.redirectInfo.openType == 'switchTap') {
            uni.switchTab({
              url : this.redirectInfo.form,
              complete : () => {
                this.updateRedirect({})
              }
            })
          }
        }
      },
      ...mapMutations('m_user', ['updateUserInfo','updateToken'])
    }
  }
</script>
<style lang="scss">
  .login-container {
    // 登录盒子的样式
    height: 750rpx;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: #f8f8f8;
    position: relative;
    overflow: hidden;

    // 绘制登录盒子底部的半椭圆造型
    &::after {
      content: ' ';
      display: block;
      position: absolute;
      width: 100%;
      height: 40px;
      left: 0;
      bottom: 0;
      background-color: white;
      border-radius: 100%;
      transform: translateY(50%);
    }

    // 登录按钮的样式
    .btn-login {
      width: 90%;
      border-radius: 100px;
      margin: 15px 0;
      background-color: #c00000;
    }

    // 按钮下方提示消息的样式
    .tips-text {
      font-size: 12px;
      color: gray;
    }
  }
</style>
